PMID- 36168148 OWN - NLM STAT- MEDLINE DCOM- 20230103 LR - 20230413 IS - 2160-7648 (Electronic) IS - 2160-763X (Print) IS - 2160-763X (Linking) VI - 12 IP - 1 DP - 2023 Jan TI - Pharmacokinetics, Bioavailability, and Swallowing Safety With Riluzole Oral Film. PG - 57-64 LID - 10.1002/cpdd.1168 [doi] AB - Dysphagia is highly prevalent in patients with amyotrophic lateral sclerosis (ALS). Riluzole is a US Food and Drug Administration-approved treatment for ALS. Riluzole oral film (ROF; Exservan) contains riluzole in a polymer-based film matrix. The ROF is administered by placing on the tongue, where it dissolves and the drug is ingested with the saliva. Two clinical trials assessed the safety and tolerability of the ROF. Bioavailability and pharmacokinetics (PK) were evaluated in an open-label, randomized, single-dose, replicate crossover study of 50 mg of ROF and riluzole 50-mg tablets in 32 healthy volunteers. The second study was a videofluoroscopic swallowing examination conducted with nine patients with ALS before and after receiving a single dose of 50 mg of ROF. The primary outcome was change on penetration-aspiration scale (PAS) scores from pre- to post-dose. Overall, the PK parameters for ROF and riluzole tablets were comparable between treatments and administrations when administered under fasting conditions. Administration of ROF with food resulted in a 15% reduction in area under the curve and a 45% reduction in maximum serum concentration. A total of 44 treatment-emergent adverse events (AEs) were reported in the study; all were mild in severity. No serious AEs were observed and no subjects discontinued due to AEs. In the swallowing study, very little numerical or categorical change was observed following the dose of ROF. No evidence of deterioration of swallowing function was observed post-dose. The ROF was bioequivalent to riluzole tablets, was well tolerated, and had no detrimental effect on swallowing. CI - (c) 2022 The Authors. Clinical Pharmacology in Drug Development published by Wiley Periodicals LLC on behalf of American College of Clinical Pharmacology. FAU - Wymer, James AU - Wymer J AD - University of Florida, Gainesville, Florida, USA. FAU - Apple, Stephen AU - Apple S AD - Mitsubishi Tanabe Pharma America, Inc., Jersey City, New Jersey, USA. FAU - Harrison, Antoinette AU - Harrison A AD - Mitsubishi Tanabe Pharma America, Inc., Jersey City, New Jersey, USA. FAU - Hill, Bryan Alan AU - Hill BA AD - Mitsubishi Tanabe Pharma America, Inc., Jersey City, New Jersey, USA. LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20220927 PL - United States TA - Clin Pharmacol Drug Dev JT - Clinical pharmacology in drug development JID - 101572899 RN - 7LJ087RS6F (Riluzole) SB - IM MH - United States MH - Humans MH - *Riluzole/adverse effects MH - *Amyotrophic Lateral Sclerosis/drug therapy/chemically induced MH - Biological Availability MH - Deglutition MH - Cross-Over Studies PMC - PMC10087659 OTO - NOTNLM OT - Amyotrophic Lateral Sclerosis OT - Clinical Trials OT - Drug Development OT - Drug-food Interactions OT - Dysphagia OT - Neurology OT - Pharmacokinetics and Drug Metabolism OT - Riluzole OT - Swallow EDAT- 2022/09/29 06:00 MHDA- 2023/01/04 06:00 PMCR- 2023/04/11 CRDT- 2022/09/28 00:33 PHST- 2022/05/27 00:00 [received] PHST- 2022/08/15 00:00 [accepted] PHST- 2022/09/29 06:00 [pubmed] PHST- 2023/01/04 06:00 [medline] PHST- 2022/09/28 00:33 [entrez] PHST- 2023/04/11 00:00 [pmc-release] AID - CPDD1168 [pii] AID - 10.1002/cpdd.1168 [doi] PST - ppublish SO - Clin Pharmacol Drug Dev. 2023 Jan;12(1):57-64. doi: 10.1002/cpdd.1168. Epub 2022 Sep 27.